1115036143 has 6 divisors (see below), whose sum is σ = 1207406184. Its totient is φ = 1029263976.

The previous prime is 1115036119. The next prime is 1115036173. The reversal of 1115036143 is 3416305111.

It is a de Polignac number, because none of the positive numbers 2^k-1115036143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115036173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3298755 + ... + 3299092.

It is an arithmetic number, because the mean of its divisors is an integer number (201234364).

Almost surely, 2^1115036143 is an apocalyptic number.

1115036143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1115036143 is a deficient number, since it is larger than the sum of its proper divisors (92370041).

1115036143 is an equidigital number, since it uses as much as digits as its factorization.

1115036143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597873 (or 6597860 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1115036143 is about 33392.1569084718. The cubic root of 1115036143 is about 1036.9623340411.

The spelling of 1115036143 in words is "one billion, one hundred fifteen million, thirty-six thousand, one hundred forty-three".